Stamp pad



FIG. 1 is a front and left-side perspective view of a stamp pad, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right-side view thereof; and,

FIG. 7 is a left-side view thereof.

The three innermost broken lines immediately adjacent the claim in the FIG. 5 view represent the bounds of the claimed design; the broken lines form no part of the claimed design. In addition, the unshaded innermost surface in the FIG. 5 view that adjoins the claimed solid line edge and that directly adjoins the three broken lines forms no part of the claimed design. The wire frame lines shown throughout the view are intended to indicate surface contour. 

CLAIM The ornamental design for a stamp pad, as shown and described. 